1 files changed, 32 insertions, 0 deletions
diff --git a/modules/lfs/client.go b/modules/lfs/client.go
new file mode 100644
index 0000000..f810e5c
--- /dev/null
+++ b/modules/lfs/client.go
@@ -0,0 +1,32 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package lfs
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+// DownloadCallback gets called for every requested LFS object to process its content
+type DownloadCallback func(p Pointer, content io.ReadCloser, objectError error) error
+
+// UploadCallback gets called for every requested LFS object to provide its content
+type UploadCallback func(p Pointer, objectError error) (io.ReadCloser, error)
+
+// Client is used to communicate with a LFS source
+type Client interface {
+	BatchSize() int
+	Download(ctx context.Context, objects []Pointer, callback DownloadCallback) error
+	Upload(ctx context.Context, objects []Pointer, callback UploadCallback) error
+}
+
+// NewClient creates a LFS client
+func NewClient(endpoint *url.URL, httpTransport *http.Transport) Client {
+	if endpoint.Scheme == "file" {
+		return newFilesystemClient(endpoint)
+	}
+	return newHTTPClient(endpoint, httpTransport)
+}